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Why in the News? Successful return: NASA astronauts Sunita Williams and Butch Wilmore returned to Earth after 286 days in space. Unexpected delay: Originally planned for a shorter stay, their mission was extended due to technical issues with Boeing’s Starliner spacecraft. SpaceX rescue: The astronauts returned aboard a SpaceX Crew Dragon, landing in the Gulf …
Read MoreSyllabus: GS-3: Scientific Innovations & Discoveries Focus: Recent data from NASA’s MMS, THEMIS, and ARTEMIS missions revealed a large-scale energy transfer process in Earth’s foreshock. Scientists discovered that collisionless shock waves in this region accelerate electrons to extreme speeds, solving a long-standing astrophysical mystery about high-energy cosmic particle acceleration. Understanding a Cosmic Mystery Unveiled: Scientists …
Read MoreWhy in the news? NASA is set to launch the PUNCH mission using SpaceX, featuring four satellites to study the Sun’s corona and solar wind with 3D polarimetry, improving space weather predictions and enhancing solar research and exploration over a two-year mission. Highlights of the PUNCH Mission: Full Form: Polarimetry to Unify the Corona and …
Read MoreWhy in the news? A new study challenges previous estimates that Saturn’s rings are only 100 million years old. Computer models suggest dust particles are expelled, keeping the rings clean, implying they could be 4 billion years old, like the Solar System. New Insights: Rings May Be Ancient A new study from Tokyo and Paris-based …
Read MoreWhy in the news? A study published in Nature Geoscience suggests Earth’s inner core has deformed at its outer boundary due to gravitational forces or turbulent flow in the outer core, affecting its rotation and seismic wave patterns observed over the past decades. Study Overview and Key Findings: A study published in Nature Geoscience suggests …
Read MoreSyllabus: GS-3: Biotechnology , Scientific Innovations & Discoveries Focus: In 2024, two research teams from Italy and the USA reported exceptional cases of females possessing the SRY gene, typically responsible for male development. These rare findings challenge traditional concepts of sex determination and highlight the genetic complexities behind male and female biological development. Defining the …
Read MoreWhy in the news? China’s Chang’e-6 mission brought back lunar soil samples, revealing volcanic activity on the moon’s far side billions of years ago, providing crucial insights into its geological history. Key Findings from Research: Researchers analysed lunar soil brought back by China’s Chang’e-6 spacecraft, the first to collect samples from the moon’s far side. …
Read MoreWhy in the news? A new study shows that a massive meteorite impact 3.26 billion years ago, much larger than the one that killed the dinosaurs, may have aided early microbial life by providing essential nutrients. Meteorite Impact and Its Immediate Effects: A meteorite, spanning 37-58 km, struck Earth 3.26 billion years ago, causing global …
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